The Boilerplate Extension is a dummy RoboFont extension which doesn’t do anything useful. Its purpose is to serve as a template for users to get started building their own extensions. It is hosted on GitHub, so anyone can fork it and make changes.

Looking at the source code of extensions by different developers, we can find different ways to organize files. The Boilerplate Extension demonstrates a simple scheme in which the source files and the extension live side-by-side in the same repository: